naja/widgets/board.py

   1 """
   2 Widget that holds the game tiles.
   3 """
   4 import pygame.locals as pgl
   5
   6 from naja.constants import BOARD_SIZE, TILE_SIZE, KEYS, MOVE, ACT
   7 from naja.events import finish_event
   8
   9 from naja.widgets.base import Widget
  10 from naja.widgets.tile import TileWidget
  11
  12
  13 class BoardWidget(Widget):
  14     """
  15     Widget which holds all the tiles that make up the gameboard.
  16     """
  17     def __init__(self, pos, state, info):
  18         super(BoardWidget, self).__init__(pos, BOARD_SIZE)
  19         self.info = info
  20         self.state = state
  21         self.pos = (2, 2)
  22         self._tiles = []
  23         for y in range(0, 5):
  24             for x in range(0, 5):
  25                 tile_pos = (pos[0] + x * TILE_SIZE[0],
  26                             pos[1] + y * TILE_SIZE[1])
  27                 self._tiles.append(TileWidget(tile_pos, state, (x, y)))
  28
  29     def prepare(self):
  30         for tile in self._tiles:
  31             tile.set_highlight(self.pos)
  32             tile.prepare()
  33         self.size = BOARD_SIZE
  34         if self.state.gameboard.player_mode in (ACT, MOVE):
  35             self.pos = self.state.player.position
  36
  37     def draw(self, surface):
  38         for tile in self._tiles:
  39             tile.draw(surface)
  40
  41     def change_pos(self, offset):
  42         tpos = (offset[0] + self.pos[0], offset[1] + self.pos[1])
  43         if tpos[0] < 0 or tpos[1] < 0 or tpos[0] > 4 or tpos[1] > 4:
  44             return False
  45         self.pos = tpos
  46         self.info.set_position(self.pos)
  47         return True
  48
  49     def handle_event(self, ev):
  50         if self.state.gameboard.player_mode in (ACT, MOVE):
  51             return super(BoardWidget, self).handle_event(ev)
  52         if ev.type == pgl.KEYDOWN:
  53             if ev.key in KEYS.UP:
  54                 if self.change_pos((0, -1)):
  55                     return finish_event()
  56             if ev.key in KEYS.DOWN:
  57                 if self.change_pos((0, +1)):
  58                     return finish_event()
  59             if ev.key in KEYS.LEFT:
  60                 if self.change_pos((-1, 0)):
  61                     return finish_event()
  62             if ev.key in KEYS.RIGHT:
  63                 if self.change_pos((+1, 0)):
  64                     return finish_event()
  65             if ev.key in KEYS.SWITCH:
  66                 self.state.gameboard.change_mode(MOVE)
  67                 self.info.set_position(self.state.player.position)
  68                 return finish_event()
  69         return super(BoardWidget, self).handle_event(ev)